Lubricating grease for optical instruments and preparation method thereof
A technology of optical instruments and lubricating grease, which is applied in the field of special lubricating grease, can solve the problem that the lens cannot move, etc., and achieve the effects of excellent oxidation resistance and lubricating performance, good sealing effect, and long service life
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[0013] 1. Add 50 kg of No. 150 national standard mechanical oil into the saponification tank, stir and heat the oil in the saponification tank to 80°C, add 26.9 kg of lauryl hydroxystearic acid, continue stirring and continue to heat up to 90°C to make the twelve Hydroxystearic acid is completely dissolved, and the temperature in the saponification kettle continues to rise after the heating is stopped, and lithium hydroxide solution is added in the saponification kettle when the temperature is naturally lowered to 90 ° C. The lithium hydroxide solution is composed of 4.2 kilograms of lithium hydroxide and 13 kilograms of water. prepared;
[0014] 2. Add boric acid solution when the temperature in the saponification kettle rises to 100°C. The boric acid solution is prepared from 1.3 kg of boric acid and 3.9 kg of water. Continue to heat up and dehydrate. When the temperature in the saponification kettle rises to 130°C, add 1.7 kg Sebacic acid, the temperature rises to 210°C and...
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